Feature jsonp highlighter

Changes: 
* add jsonp support
* add highlighter 
* add triggerHandler in eventbus
* add jasmine unit testing specs for new features 
* fix some code formatting (padding)
* add playground2.html for testing with walmart.com typeahead service 
* update jquery lib to 10.2 to comply with Atlas env, added handlerbars.js for templating usage and underscore,  update grunt-contrib-jasmine lib to 0.5